another factor in north carolina is is the economy. it has the fourth highest unemployment rate in the nation. some polls show the state tightening, but generally, it's been moving more towards romney than the obama camp would have hoped. >> what about on the race front, we look at the white and non white vote split. what do you see? >> you see the president per foming significantly underneath that 40% margin that john king took. this is difficult to talk about because you don't like seeing our politics polarized by race. democrats have had a deficit with white voters for more than 30 years. now, president obama made up a lot of that ground in 2008 and democrats have made up for it by having a significant edge, but this combination of a tough economy means that the president's having a hard time getting his white support above 40%. that is a real issue. in the long run, democrats have made a smart bet on diversity. republicans can't hope for a large share of the white vote to bring them over the top, but this is an issue in this collec